A1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30â° below the horizontal just before it strikes a horizontal surface. the ball leaves this surface 0.50 s later with a velocity of 2.0 m/s directed 60â° above the horizontal. what is the magnitude of the average resultant force on the ball?
Answers: 3
Physics, 22.06.2019 10:30
You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
Answers: 2
Physics, 22.06.2019 10:50
Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.
Answers: 1
Physics, 22.06.2019 16:30
When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew
Answers: 1
Physics, 22.06.2019 17:00
If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
Answers: 1
A1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30â° below the horizontal just...
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